81710361580

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{17997877}}^1$

素因数の和:17998113

約数の個数: 24

約数和(自身を含む): 172347679728

約数和(自身を除く): 90637318148

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 17997877, 35995754, 71991508, 89989385, 179978770, 359957540, 4085518079, 8171036158, 16342072316, 20427590395, 40855180790, 81710361580]

約数ペア:

[(1, 81710361580), (2, 40855180790), (4, 20427590395), (5, 16342072316), (10, 8171036158), (20, 4085518079), (227, 359957540), (454, 179978770), (908, 89989385), (1135, 71991508), (2270, 35995754), (4540, 17997877)]